Sun uses it in the schema for web app deployment descriptors:
http://java.sun.com/xml/ns/j2ee/#resources
I use it to ensure a a page referenced by a folder/@index_page is in the
folder, for example:
<folder id="f123" index_page="p234">
<page id="p123"/>
<page id="p234"/>
</
best,
-Rob
Priti Patil wrote:
>Are you sure that these schemas are from real world i.e. these are
>actually used in the application. Those should not be the sample schemas
>which are generally designed for explaining the concept.
>
>Can you provide more details?
>
>Thanks and Regards,
>Priti Patil.
>
>
>On Fri, 2004-08-13 at 17:42, Henry S. Thompson wrote:
>
>
>>I have a collection of slightly over 1000 distinct schema documents
>>culled from the web, which I'll be describing and releasing soon. I
>>just checked, and conservatively the numbers are as follows:
>>
>> schema documents using key, keyref and/or unique: 53
>> uses of unique: 105
>> uses of key: 179
>> uses of keyref: 229
>>
>>ht
>>